Tom Dunn (umpire)

Thomas Patrick Dunn (March 15, 1900 – January 20, 1976) was a professional baseball umpire who worked in the National League from 1939 to 1946. Dunn umpired 1146 regular season Major League Baseball (MLB) games in his 8-year career. He also umpired in the 1944 World Series and the 1943 All-Star Game.

MLB debut
The first major league game that Dunn umpired – between Boston and Brooklyn on June 27, 1939 – lasted 23 innings, one of the longest games in MLB history. It was declared a 2–2 tie, after 5 hours and 15 minutes.